2004 saab 900 brake lights stays on when driving.

[super jumbe]

Need help mates, 2004 Saab 9-3 customer came with brake lights stays on when ignition is on, stays on even when driving I have changed brake light switch on the brake pedal, also replaced both rear bulbs still not able to resolve the issue.
Any one had this issue and how did you resolved it, any help appreciated.

[super jumbe]

Thanks Jok all sorted now, our other mechanic did not adjusted switch to the brake pedal.